<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
    <style>
        *{
            padding: 0;
            margin: 0;
        }
        body{
            width: 100vw;
            height: 100vh;
            background: rgba(0,0,0,1);
        }


    </style>
</head>
<body>
    <canvas id="main">
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    </canvas>
</body>
</html>